Moodle Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2011-4299
Cross-site scripting (XSS) vulnerability in mod/wiki/pagelib.php in Moodle 2.0.x before 2.0.5 and 2.1.x before 2.1.2 allows remote authenticated users to inject arbitrary web script or HTML via a wiki comment.